Plate Tectonics Flashcards
Theory that explains the global distribution of geological phenomenon (volcanoes, mountains, earthquakes).
Plate tectonic theory
The super continent is called ______.
Pangea
The super continent is surrounded by a single ocean called ______.
Panthalassa
The supercontinent is split into 2 continents called ______ and _____.
Laurasia and Gondwana
The plate tectonic theory is derived from a theory called ________.
Continental drift theory
A theory that states that the continental plates drifted away from a large land mass.
Continental drift theory
This theory focuses only on drifting tectonic plates.
Continental drift theory
Who is the author of continental drift theory?
Alfred Wegener
He is a german meteorologist that described the continents as similar to a jigsaw puzzle.
Alfred Wegener
How old is the Earth?
3.5 billion years old
The continental drift theory started ______ ago.
245 millions to 350 million years ago
The supercontinent divided to ___ continents to this day.
7 continents
What does Pangea mean?
All lands
Was the earth billion years ago habitable?
No.
Enumerate the stumbling blocks of Alfred Wegener on the continental drift theory.
- Field of specialization - (He’s a meteorologist, not a geologist.
- The cause of the drifting.
